Malware Analysis Report

2025-04-03 10:51

Sample ID 241109-2plqeawqeq
Target AsyncClient.exe
SHA256 b04da3b87b7baab0e89d6578e089fdfdcb13d9fc3b24bb1c1d77d9dc41ba1321
Tags
rat default asyncrat discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

b04da3b87b7baab0e89d6578e089fdfdcb13d9fc3b24bb1c1d77d9dc41ba1321

Threat Level: Known bad

The file AsyncClient.exe was found to be: Known bad.

Malicious Activity Summary

rat default asyncrat discovery

AsyncRat

Async RAT payload

Asyncrat family

Unsigned PE

System Location Discovery: System Language Discovery

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 22:45

Signatures

Async RAT payload

rat
Description Indicator Process Target
N/A N/A N/A N/A

Asyncrat family

asyncrat

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 22:45

Reported

2024-11-09 22:48

Platform

win11-20241023-en

Max time kernel

149s

Max time network

162s

Command Line

"C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe"

Signatures

AsyncRat

rat asyncrat

Asyncrat family

asyncrat

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe

"C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe"

Network

Country Destination Domain Proto
N/A 127.0.0.1:6606 tcp
US 8.8.8.8:53 fervic341.duckdns.org udp
TR 31.145.213.46:1604 fervic341.duckdns.org tcp
TR 31.145.213.46:8808 fervic341.duckdns.org tcp
TR 31.145.213.46:8808 fervic341.duckdns.org tcp
TR 31.145.213.46:8808 fervic341.duckdns.org tcp
N/A 127.0.0.1:6606 tcp
TR 31.145.213.46:1604 fervic341.duckdns.org tcp
TR 31.145.213.46:1604 fervic341.duckdns.org tcp

Files

memory/4968-0-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

memory/4968-1-0x0000000000840000-0x0000000000852000-memory.dmp

memory/4968-2-0x0000000074E60000-0x0000000075611000-memory.dmp

memory/4968-3-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

memory/4968-4-0x0000000074E60000-0x0000000075611000-memory.dmp